A and B series mowers
26
Drive bushings
To remove/replace the drive bushings:
1. Disconnect and ground the spark plug wire.
2. Drain the fuel into an approved container.
3. Tip the mower with the muffler side down, or tilt the
mower back on a work bench, with the front wheels
up.
4. Remove the belt cover by following the steps
described in Chapter 2: Blade and Belt.
5. Set the mower down on a couple of wooden blocks.
6. Remove the drive spur gear.
6a. Secure the transmission’s output shaft by
clamping a pair of vise grips to it. See Figure
5.7.
NOTE: DO NOT engage the drive control bail/lever
to keep the transmission output shaft from rotating while installing/removing the screws that secure the
spur gears. This will damage the transmission internally.
7. Remove the screw that holds the spur gear to the
end of the transmission output shaft using a T-30
torx driver. See Figure 5.8.
NOTE: DO NOT use an impact driver to remove/
install spur gear retaining screws. The
excessive torque can over-come the vise
grips and damage the transmission’s internal
components.
8. Remove the spur gear.
NOTE: The left and right spur gears are a mirror
image of each other. They are stamped “L”
and “R” to identify a left and a right spur
gear. If the gears are reversed, the wheels
will not drive forward and they will lock up
when pulled in reverse.
Figure 5.7
Transmission
output
shaft
Figure 5.8
Stamped “L”
for left
Dust shield
Spur gear
Screw
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